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Psychoacoustic measurement method for assessing individual, subjective loudness perception.

In loudness scaling, test signals of different levels are presented. The test person is asked to rate the subjectively perceived loudness of the signal on a given categorical scale representing the units from "not heard", "very quiet", "quiet", "medium", "loud", "very loud" to "too loud". The verbal scale is mapped to numerical values between 0 ("not heard") and 50 ("too loud") and plotted as a function of the level of the test signal. In the audiogram display, the so-called auditory field, curves of equal loudness are then plotted against the level.

Under "Downloads" you can download the R&D version of the measurement procedure as well as a free 30-day test licence.

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